Figure 5From: Diagnostic accuracy of diffuse reflectance imaging for early detection of pre-malignant and malignant changes in the oral cavity: a feasibility study ROC curves showing the discriminatory capacity of the properties of ratio-image to differentiate; (a) malignant lesions from normal/clinically healthy tissue, (b) pre-malignant lesions from normal/clinically healthy tissue, (c) pre-malignant lesions from malignant and (d) malignant and pre-malignant from normal/clinically healthy tissue. Back to article page